Re: [rules-users] how do I add not exists contraint in dslr

Don't use not(exists( X() )). not( X() ) means "there is no X". The error may be due to constraints, but you'd have to show us the entire DSLR condition and its DSL definition. -W 2011/1/11 maverik j <maverikj348(a)gmail.com&gt; > Hi, > > I have been trying to add not exists constraint in dslr but its failing > to parse the dslr. Here is what I am trying to do in DSLR > > [when][][*Tt*]here is at least one {entity}= not(exists {entity}: > {entity}()) > > If I simply use the exists constraint here then it works well. But then > after adding not to it, its not getting parsed correctly. > > error I am geeting is: > > [10,27]: [ERR 102] Line 10:27 mismatched input ',' expecting ')' in rule > "Rule1" in pattern Person > > not sure whats going wrong here, if it is expected to work this way? > > thanks, > > -m > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users